Patents by Inventor Lai Man Chau

Lai Man Chau has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Heat-dissipating reflector for lighting device
    Patent number: 7891842
    Abstract: A heat-dissipating reflector for a lighting device having a reflecting surface for reflecting light from a light emitting source of the lighting device, and a plurality of ventilation openings formed through the reflecting surface for dissipating heat generated by the light emitting source.
    Type: Grant
    Filed: August 7, 2008
    Date of Patent: February 22, 2011
    Assignee: Hong Kong Applied Science and Technology Research Institute Co. Ltd.
    Inventors: Ming Lu, Kai Chiu Wu, Lei Shi, Lai Man Chau
  • Optical sensing methods and apparatus
    Patent number: 7671972
    Abstract: A method of sensing movement or proximity of objects by optical reflection is provided. The method includes the steps of transmitting a train of optical pulses towards a destination, sensing optical pulses reflected from the destination, and sensing and evaluating movement or proximity characteristics of objects at the destination with reference to variation in pulse width between transmitted and reflected optical pulses.
    Type: Grant
    Filed: March 29, 2007
    Date of Patent: March 2, 2010
    Assignee: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Kwok Sing Cheng, Ho Shan Ng, Lai Man Chau, Yeung Ming Chow, Tao Tao
  • HEAT-DISSIPATING REFLECTOR FOR LIGHTING DEVICE
    Publication number: 20100033971
    Abstract: A heat-dissipating reflector for a lighting device having a reflecting surface for reflecting light from a light emitting source of the lighting device, and a plurality of ventilation openings formed through the reflecting surface for dissipating heat generated by the light emitting source.
    Type: Application
    Filed: August 7, 2008
    Publication date: February 11, 2010
    Applicant: Hong Kong Applied Science and Technology Research Institute Co., Ltd.
    Inventors: Ming Lu, Kai Chiu Wu, Lei Shi, Lai Man Chau
  • Optical sensing methods and apparatus
    Publication number: 20080239325
    Abstract: A method of sensing movement or proximity of objects by optical reflection is provided. The method includes the steps of transmitting a train of optical pulses towards a destination, sensing optical pulses reflected from the destination, and sensing and evaluating movement or proximity characteristics of objects at the destination with reference to variation in pulse width between transmitted and reflected optical pulses.
    Type: Application
    Filed: March 29, 2007
    Publication date: October 2, 2008
    Applicant: Hong Kong Applied Science Technology Research Institute Co. Ltd.
    Inventors: Kwok Sing Cheng, Ho Shan Ng, Lai Man Chau, Yeung Ming Chow, Tao Tao